Butterfly
List butterfly
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The butterfly plate of the butterfly valve is installed in the diameter direction of the pipe
below photos are ptfe lined butterfly valve of tianjin tanghai valve, more information please click here: ptfe butterfly valvein the cylindrical channel of the butterfly valve body, the disc shaped butterfly plate rotates around the axis, the rotation angle is 0Ā°~90Ā°, rotate to 90Ā°, the valve brand is fully openin the known butterfly valve technology, its sealing form is mostly sealed structure, sealing materials for rubber, ptfe, etc
at present, the ptfe butterfly valve, as a component used to realize the on-off and flow control of the pipeline system, has been widely used in petroleum, chemical industry, metallurgy, hydropower and many other fields
ptfe (teflon) butterfly valve can be equipped with akr electric, by pneumatic actuator, input control signal (4~20madc or 1~5vdc) and single-phase power supply can control the operation, can realize intelligent type (regulating type) and switching typeptfe butterfly valve is to adapt to some corrosive environment with strong acid, strong alkali, petroleum, chemical, food and other special areas of need, the use of ptfe made of the valve body, has a strong anti-corrosion effect
th valve is a professional manufacturer of butterfly valve, gate valve, check valve, globe valve, knife gate valve, ball valve with api, jis, din standard, used in oil, gas, marine industry, water supply and drainage, fire fighting, shipbuilding, water treatment and other systems, with nominal diameter of dn50 to dn1200, nbr/epdm/viton, certificates & approvals: dnv-gl, lloyds, dnv, bv, api, abs, ccsdue to the limitation of structural characteristics, it is not suitable for high temperature resistance, high pressure resistance, corrosion resistance, wear resistance and other industriesit can replace the stainless steel body under conventional conditions, with higher cost performancewith strong function, small size, light and pleasant, reliable performance, simple supporting, large circulation capacity, especially suitable for the medium is sticky, containing particles, fiber properties of the occasionstandards: en 593, api609, api6dIndia
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area of application
marine industry, water supply and drainage, fire fighting, shipbuilding, water treatment and other systems
standards
design and manufacture conform to en 593, api609, jis
flange dimensions conform to en 1092-2 pn10, pn16, jis5k, jis10k
face to face dimensions conform to en558 series
topworkās dimensions conform to iso5211
testing conform to api598ćen12266-1
actuation
hand lever
worm-gear/hand-wheel
electric-actuator
pneumatic-actuator
hydraulic-actuator
wafer type butterfly valve features
simple structure and easy operation
easy installation and good sealing
long service life and high reliability
good interchangeability of parts and cost saving
wafer type butterfly valve with concentric design
using backless structure, rubber fusion bonded on valve body
replaceable, resilient seat
streamlined disc, one-piece stem
approved and registered by vds, dvgw
related types of butterfly valves:
we have other types of butterfly valves: lug type butterfly valve, u flange butterfly valve, double flange butterfly valve, fluorine lined ptfe butterfly valve, double eccentric butterfly valve and triple eccentric butterfly valves used in marine industry, water supply and drainage, fire fighting, shipbuilding, water treatment and other systems, with nominal diameter of dn50 to dn1200, nbr/epdm/viton, certificates & approvals: dnv-gl, lloyds, dnv, bv, api, abs, ccsstandards: en 593, api609, api6dworking pressure: pn10/pn16
size: from dn40-dn1200
operator: bare shaft with iso 5211 top flange, handlever and gearbox,actuators
body material:ci,di,alu-bronze,cs and others
disc:di,alu-bronze,ss
seat:epdm,nbr
shaft:ss, inconel
about material, it can be customized, please contact us if any further requirementsIndia
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Hence, marine butterfly valves are typically made from materials such as bronze, stainless steel, or other corrosion-resistant alloysa butterfly valve used in marine applications, often referred to simply as a marine butterfly valve, is a critical component in ship systems for controlling the flow of fluids such as water, fuel, and various other liquids
usage:
installation: install the marine butterfly valve correctly according to manufacturer specifications, ensuring proper alignment, bolt torquing, and gasket sealing between flanges
bidirectional sealing: butterfly valves are inherently bidirectional, meaning they can effectively seal flow in both directions, allowing flexibility in installation and operation
compact design: space is often limited aboard ships, so marine butterfly valves are designed to be compact and lightweight while still providing efficient flow control
resilient seating: many marine butterfly valves feature resilient seating made of materials like epdm or nbr, which offer excellent sealing properties and resistance to wear, corrosion, and chemicalsby considering these factors and adhering to best practices for selection, installation, operation, and maintenance, marine butterfly valves can effectively control flow and contribute to the safe and efficient operation of ship systems
manual or actuated operation: marine butterfly valves can be operated manually using a hand lever or wheel, or they can be equipped with pneumatic, electric, or hydraulic actuators for remote operation and automation
operation type: determine whether manual or actuated operation is preferable based on accessibility, control requirements, and automation needs
compliance and certification**: ensure the selected valve meets relevant industry standards and certifications for marine applications, such as those from classification societies like dnv, abs, or lloydās register
operation: operate the valve using the designated controls, whether manual or actuated, following established procedures for opening, closing, and adjusting flow rates as needed
emergency response: establish protocols for responding to valve failures, leaks, or other emergencies, including shutdown procedures, isolation measures, and contingency plans to mitigate risks and minimize disruptions
hereās an overview features:
corrosion resistance: marine environments expose valves to corrosive elements like saltwater
monitoring: periodically monitor the valveās operation and condition for signs of leakage, wear, or malfunction, and take corrective action as required to prevent downtime or safety hazards
maintenance: implement a regular maintenance schedule to inspect, clean, lubricate, and replace components as necessary to ensure optimal performance and reliability
selection considerations:
size and pressure rating: choose a valve size and pressure rating suitable for the intended application and system requirements aboard the ship
sealing material: consider the type of sealing material based on temperature, pressure, and fluid properties to ensure reliable performance and longevity
material compatibility: select materials compatible with the fluids being handled and resistant to corrosion in the marine environmentIndia
ā¹ 13827
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below is our wafer butterfly valve of marine valves, if you need to check more information, please click here: butterfly valve :https://wwwis a professional marine valve manufacturer, including butterfly valve, check valve, gate /knife gate valveelectric gate valve, electric globe valve, electric sea access valve, electro-hydraulic ball valve, electro-hydraulic butterfly valve, pneumatic butterfly valve and other remote control valves have gradually been adopted by the department ship system, and the operation of hydraulic valve remote control system has long improved the level of modernization of shipsthe special valves required by the function requirements of various systems on ships, such as high pressure butterfly valve, leading full-open safety valve, sea water solenoid valve, high piezo-liquid ball valve, changing hydraulic gate valve, special pressure reducing valve, temperature regulating valve, high pressure air solenoid valve, night displacement trap, general butterfly valve, etc
ball and butterfly valves, with their advantages of light weight, small size, good sealing function and easy opening and closing speed, have gradually gained operation on ships, and more and more efforts are being made to replace stop valves and gate valves, improving the functions of shipswe have certificates: ce, iso, bv, dnv foundry and products approvalvalve is the control of fluid pipeline assembly, its basic function is to put through or cut off the pipeline medium smoothness, change the medium smoothness, change the direction of the flow of the medium, adjust the pressure and flow of the medium, protect the normal operation of the pipeline equipmentcan also be developed by themselves to supply ship operationnow we have our own independent r & d, manufacturing, assembly and warehousing workshops; we have professional pre-sale and after-sale technical support and perfect servicesthe height limit pressure of the valve is 25mpa and the diameter is 900mm
according to the requirements of the shipbuilding industry of our country, a total of 12 general valves are designed, 1400 specifications
tianjin tanghai valve cocom/ball-valve-th-bav/
please contact us if you need more support, please contact us freely: info@tanghaivalve
we are committed to ābuild a top valve enterprise; be a reliable partner!ā
friends from all over the world are welcome to visit us for evaluation, guidance, and orders!com/wafer-type-butterfly-valve-th-btv-aw/; ball valve: https://wwwvalve materials are cast iron, carbon steel, alloy steel, copper alloy, aluminum alloy, titanium alloy, stainless steel, and non-metallic etccommon medium for fresh water, sea water, air, steam, fuel oil, oil and so onmarine valves are used to control the pressure, flow and flow policy of the fluid in the ship pipeline in order to meet the environmental conditions of the shipIndia
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A wafer concentric type butterfly valve is a type of butterfly valve commonly used in various industries, including marine applications
manual or actuated operation: wafer concentric butterfly valves are available in manual or actuated configurations
usage:
installation: properly install the wafer concentric butterfly valve between flanges using appropriate gaskets and fasteners according to manufacturer specifications and industry standards
resilient seating: most wafer concentric butterfly valves come with resilient seat materials such as epdm or nbr, which provide excellent sealing properties and resistance to wear, corrosion, and chemicals
by considering these factors and following best practices for selection, installation, and maintenance, wafer concentric butterfly valves can effectively control flow and provide reliable performance in marine applications and other industrial settingshereās a brief overview of its features, selection considerations, and usage:
features:
concentric design: the wafer concentric butterfly valve features a concentric design where the stem passes through the center of the disc, ensuring a uniform seal around the circumferencetemperature, viscosity, chemical compatibility) and sealing requirements
monitoring: periodically monitor the valveās operation and condition for signs of leakage, wear, or malfunction, and take corrective action as required to prevent downtime or safety hazards
seat material: consider the type of seat material (e
wafer style: these valves have a wafer-style body, which means they fit between two flanges without the need for additional bolts or nuts
operation: operate the valve manually or remotely using the designated controls, following established procedures for opening, closing, and adjusting the flow as needed
material construction: select valve materials compatible with the fluid being handled and the environmental conditions
operation type: decide whether manual or actuated operation is preferred based on the level of automation required, accessibility, and control system integration
bidirectional sealing: the concentric design allows for bidirectional sealing, meaning the valve can be installed in either direction without affecting its performancemanual valves are operated by hand, while actuated valves can be controlled remotely using pneumatic, electric, or hydraulic actuators for automated flow controlconsider factors such as flow rate, system pressure, and compatibility with existing pipingthis design minimizes turbulence and pressure drop while providing efficient flow controlcommon materials include stainless steel, carbon steel, ductile iron, and various alloys
standards compliance: ensure the selected valve complies with relevant industry standards and certifications for quality, performance, and safety, such as ansi, api, iso, and marine classification societiesā requirements
emergency response: establish protocols for responding to valve failures, leaks, or other emergencies, including shutdown procedures, isolation measures, and contingency plans to mitigate risks and minimize disruptions
selection considerations:
size and pressure rating: choose a valve size and pressure rating suitable for the intended application and operating conditionsthis compact design saves space and facilitates easy installation and removalepdm, nbr, ptfe) based on the fluid properties (e
maintenance: implement a regular maintenance schedule to inspect, clean, lubricate, and replace components as necessary to ensure optimal performance and longevityIndia
ā¹ 13827
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A lug concentric type butterfly valve with rubber seated refers to a specific configuration of a butterfly valve commonly used in various industries, including marine applications
manual or actuated operation: lug concentric butterfly valves are available in both manual and actuated configurations
usage:
installation: properly install the lug concentric butterfly valve between flanges using appropriate gaskets and fasteners according to manufacturer specifications and industry standards
bidirectional sealing: similar to other concentric butterfly valves, this type can seal bidirectionally, allowing it to be installed in either direction without affecting its performance
by considering these factors and following best practices for selection, installation, and maintenance, lug concentric butterfly valves with rubber seating can effectively control flow and provide reliable performance in marine applications and other industrial settingsletās break down its features, considerations for selection, and how itās typically used:
features:
concentric design: like other concentric butterfly valves, this type features a design where the stem passes through the center of the disc, ensuring a uniform seal around the circumferencetemperature, viscosity, chemical compatibility) and sealing requirements
monitoring: periodically monitor the valveās operation and condition for signs of leakage, wear, or malfunction, and take corrective action as required to prevent downtime or safety hazardsthis design provides easy installation and removal without needing to disconnect the entire pipeline
seat material: consider the type of seat material (e
rubber seating: the valve has rubber or elastomeric seating, typically made from materials like epdm or nbr, which provide excellent sealing properties
operation: operate the valve manually or remotely using the designated controls, following established procedures for opening, closing, and adjusting the flow as needed
material construction: select valve materials compatible with the fluid being handled and the environmental conditions
operation type: decide whether manual or actuated operation is preferred based on the level of automation required, accessibility, and control system integrationmanual valves are operated by hand, while actuated valves can be controlled remotely using pneumatic, electric, or hydraulic actuators for automated flow control
selection considerations:
size and pressure rating: choose a valve size and pressure rating suitable for the intended application and operating conditionsconsider factors such as flow rate, system pressure, and compatibility with existing piping
lug style: the valve body has lugs (also known as ears or tabs) on the valveās periphery, allowing it to be bolted directly between flanges in the pipelinethis design minimizes turbulence and pressure drop while providing efficient flow controlcommon materials include stainless steel, carbon steel, ductile iron, and various alloys
standards compliance: ensure the selected valve complies with relevant industry standards and certifications for quality, performance, and safety, such as ansi, api, iso, and marine classification societiesā requirements
emergency response: establish protocols for responding to valve failures, leaks, or other emergencies, including shutdown procedures, isolation measures, and contingency plans to mitigate risks and minimize disruptionsepdm, nbr, ptfe) based on the fluid properties (e
maintenance: implement a regular maintenance schedule to inspect, clean, lubricate, and replace components as necessary to ensure optimal performance and longevityrubber seats offer resilience, chemical resistance, and longevity, making them suitable for various fluids and operating conditionsIndia
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Is a professional marine valve manufacturer, including butterfly valve, check valve, gate /knife gate valve
below is our wafer butterfly valve of marine valves,if you need to check more information, please click here:https://www
scope of application
marine butterfly valve is widely used in coal chemical industry, petrochemical industry, rubber, paper making, pharmaceutical and other pipelines as the medium of the shunt confluence or flow switching deviceproduct introduction
marine butterfly valve adopts the mounted structure, which reduces the connection bolts of the valve body itself under the condition of high pressure and large diameter, enhances the reliability of the valve and can overcome the influence of system weight on the normal work of the valvewe have certificates: ce, iso, bv, dnv foundry and products approvalcom/wafer-type-butterfly-valve-th-btv-aw/now we have our own independent r & d, manufacturing, assembly and warehousing workshops; we have professional pre-sale and after-sale technical support and perfect services
tianjin tanghai valve co
please contact us if you need more support, please contact us freely: info@tanghaivalve
we are committed to ābuild a top valve enterprise; be a reliable partner!ā
friends from all over the world are welcome to visit us for evaluation, guidance, and orders!India
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butterfly table tennis blade is a famous brand for ping pong gearpeople like butterfly because they have cool designs and their things work wellmany professional players use butterfly products, and it's a popular choice for anyone who loves playing ping pongthey make good quality rackets, balls, tables, and other stuff for playing ping pong
India
ā¹ 1000
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Get the top notch genuine leather butterfly chair at leather jacksonthis exemplary leather butterfly chair is made of genuine leather, is very strong and comes in all sizes
India
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Get the excellent genuine leather butterfly chair at leather jacksonthis exemplary leather butterfly chair is made of genuine leather, is incredibly strong and comes in all sizes
India
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butterfly fields - iit jee revision notes | concept map books by butterflyfields - asking price is ā¹1057 for this books butterfly fields providing best revision tool for iit jee & morecovers all topics in math, physics and chemistry syllabus for iit, jee(mains)/bitsat, vitee, kcet, mhcet, emcet, tancet, mppet, iit & bord exams(new edition)helps in fast revision without getting distracted by unnecessary details
Faridabad New Township (Haryana)
ā¹ 1057
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This beautiful and unique butterfly artwork is made by gluing 125 mm quilling paper strips to card stock paper in a designit will add interest and brighten up any wall or cornerthis decorative piece uses a technique called quilling or paper filigreeit's a perfect gift for you or someone special who admires handmade artkig10021height: 11 inches; width: 14 inchesit's ready to be framed in 11"x14" a deep frame or shadow box framethe artwork is about 8"x10" and comes matted in a 11"x14" color white matit can be great gift for a birthday, anniversary, house warming or just any occasionthis exquisite piece is made with lots of love, happiness, hard work and patienceto see more of my quilling art go here https://wwwcomthank you for visiting and please come back soon to check out my new creationsin/user/profile/157521 contact 7990609093 aadhicreation2233@gmail
Surat (Gujarat)
ā¹ 1499
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It designs with cover closure, floral print butterfly pattern, and adjustable strapu can team it up with tracksuits, dresses and sports clothestake this fashion crossbody bags for yourselfjust have it for yourself
India
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Brand new box pack htc butterfly x920 with bill, 1yr wrnty and accessories @ rs1 (jelly bean) os 5-inch super lcd 3 capacitive touchscreen (gorilla glass) 2 gb ram ddr3 16 gb onboard memory 25 gb of dropbox wi-fi enabled 11 mp secondary camera 8 mp primary camera expandable storage capacity of 32 gb full hd recording call @ (aditya)5 ghz qualcomm snapdragon s4 pro quad core processor 2